<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
  <h1>登录页面</h1>
  <form action="/login">
      <input type="text" name="username" placeholder="用户名">
      <input type="text" name="password" placeholder="密码">
      <input type="submit" value="登录">
  </form>
</body>
</html>